diff --git a/requirements/in/constraints.in b/requirements/in/constraints.in
index 97334ca..c9365ce 100644
--- a/requirements/in/constraints.in
+++ b/requirements/in/constraints.in
@@ -12,7 +12,7 @@ certifi>=2025.8.0,<2026.0.0
 chardet>=5.2.0,<6.0.0
 
 # Indirect dependency, constrained for compatibility. Update as needed.
-charset-normalizer>=3.4.0,<4.0.0
+charset-normalizer>=3.5.2,<4.0.0
 
 # Provides cross-platform colored terminal output; often required by CLI tools (e.g., pytest, click) for Windows compatibility.
 colorama>=0.4.6,<1.0.0